0543

Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence

Reference

HW 1/543

Date

3 May 1942

Government Department

Government Code and Cypher School

File Accession Date

1993

Description

A file of signals intelligence reports, messages, and correspondence issued by the Government Code and Cypher School and sent by the head ('C') of the Secret Intelligence Service (MI6) to the Prime Minister, Winston Churchill. This file contains a message from C to the Director of Naval Intelligence (DNI) (this file contains the coversheet only): relating to the Prime Minister's (PM's) query, see 9365.